WASHINGTON (7News) — It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day," it’s a time to celebrate one of mathematics' most ...

Pie charts are a way to show data. Pie charts show proportions of a whole. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of the ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Marie Callender's ...

A pie chart can show collected data in sectors. Each sector can be labelled, or can be colour coded with a key. When drawing a pie chart, a protractor will be used to draw the angles accurately. Being ...